Below are the sections which do not meet a11y requirements:
1) Discussions topics screen:
Search all post background and placeholder color.
2) Discussions posts screen:
Discussions icons (including follow,pin,close) and texts except discussion title.
3) Create a new post screen / Add a response / Add comment :
Post discussion / Add response / add comment on disabled state.
Add response / add comment text in text fields.
4) Responses screen:
a) Discussion post section:
By default user profile icon.
This post is visible to Cohort/Everyone text.
Follow ,Vote ,Report ,# of responses with their icons.
b) Response section:
Vote ,Report , # of comments section (either closed/opened).
Posts are closed bottom view on closing any post.
5) Comments Screen:
# of comments.
Report icon and text
6) Comments and Responses screens:
Overlays which appears for few seconds on adding new response/comment.